Psychology & Psychiatry

Motion quotient: IQ predicted by ability to filter motion (w/ video)

A brief visual task can predict IQ, according to a new study. This surprisingly simple exercise measures the brain's unconscious ability to filter out visual movement. The study shows that individuals whose brains are better ...

Psychology & Psychiatry

One year of school comes with an IQ bump, meta-analysis shows

A year of schooling leaves students with new knowledge, and it also equates with a small but noticeable increase to students' IQ, according to a systematic meta-analysis published in Psychological Science, a journal of the ...

Surgery

Anesthesia is safe in the young, study finds

A single exposure to general anesthesia poses no cognitive risk to healthy children under age three, a critical time in brain development, according to a multicenter study led by researchers at Columbia University Medical ...

Neuroscience

New evidence confirms link between IQ and brain cortex

Rate of change in the thickness of the brain's cortex is an important factor associated with a person's change in IQ, according to a collaborative study by scientists in five countries including researchers at the Montreal ...

Psychology & Psychiatry

Blood vessels in the eye linked with IQ, cognitive function

The width of blood vessels in the retina, located at the back of the eye, may indicate brain health years before the onset of dementia and other deficits, according to a new study published in Psychological Science, a journal ...

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